const Koa  = require('koa')
const serve = require('koa-static');
const  { historyApiFallback } = require('koa2-connect-history-api-fallback');
const path = require('path')
const proxy = require('koa2-proxy-middleware')

const app = new Koa();
// 这句话 的意思是除接口之外所有的请求都发送给了 index.html
app.use(historyApiFallback());  // 这里的whiteList是 白名单的意思
app.use(serve(__dirname + "/public")); //将public下的代码静态化
app.use(proxy({
    targets: {
      // (.*) means anything
      '/prod-api/(.*)': {
          target: 'http://ihrm-java.itheima.net/api', //后端服务器地址
          changeOrigin: true,
          pathRewrite: {     // 路径重写
              '/prod-api': ""
          }
      }
    }
}))

app.listen(3333, () => {
     console.log('人资项目启动')
})